t = {10,20,30}
-- table.insert(table_name,idx,value)
table.insert(t,1,15)
for i=1,#t do
    print(t[i])
end
-- s = {}
-- for line in io.lines() do
--     table.insert(s,line)
-- end
-- table.remove(table_name,idx)
-- x = table.remove(s,1)
-- print(x)
-- print(#s)
-- table.move()
table.move(t,1,#t,2)
for i=1,#t do
    print(t[i])
end